Interactive
Explore ExJoi in the browser
The playground simulates a representative schema, runs validation rules in JavaScript, and mirrors ExJoi’s success/error envelopes—including the flattened error tree.
Visual form
Role-based validation demo
Result
// Fill out the form and click “Run validation”
JSON sandbox
Tweak payloads directly
The sandbox uses the same simulated schema; edit the JSON payload to see how errors change.
// Results appear here